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Analysis of donor deficit after extensor indicis proprius tendon transfer
1Department of Orthopedic Surgery, Doctors Hospital, Columbus, Ohio.
The Journal of the American Osteopathic Association
|March 1, 1991
Summary
Extensor indicis proprius tendon transfers are effective for improving index finger function. Studies show minimal loss of extension, with involved fingers achieving 95% of the range of motion of uninvolved fingers.
Area of Science:
- Orthopedic Surgery
- Hand Surgery
- Reconstructive Surgery
Background:
- The extensor indicis proprius (EIP) tendon transfer is a surgical technique used for various hand conditions.
- Concerns exist regarding potential loss of index finger extension and independent extension post-transfer.
Purpose of the Study:
- To evaluate the functional outcomes of extensor indicis proprius tendon transfers.
- To assess the impact on index finger extension and active range of motion.
Main Methods:
- Retrospective review of 13 EIP tendon transfers performed between 1984 and 1989.
- Follow-up on 9 patients (10 transfers) at an average of 29 months.
- Measurement of active range of motion at metacarpophalangeal joints (dependent and independent extension).
Main Results:
- No extensor lag was observed during dependent extension of the metacarpophalangeal joint.
- An average of only 2.1 degrees of extensor lag occurred during independent extension.
- Involved index fingers achieved 95% of the total active motion compared to uninvolved fingers.
Conclusions:
- The concerns regarding loss of complete and independent index finger extension after EIP tendon transfer were not substantiated.
- EIP tendon transfer is a reliable procedure with good functional outcomes for index finger reconstruction.